function [char_bits] = new_Extract_process_1(sub_stego)
%UNTITLED2 此处显示有关此函数的摘要
%   此处显示详细说明
char_bits=[];
[r,c]=size(sub_stego);
bin_sub_stego = myImageBitPlaneSlicing(sub_stego);%位平面分解，低位在前,高位在后
for i=1:r
    for j=1:c
        if bin_sub_stego(i,j,1)==0
            bits=bin_sub_stego(i,j,8);
        else
            bits=1-bin_sub_stego(i,j,8);
        end
        char_bits=[char_bits;bits];
    end
end
char_bits=mydouble2char(char_bits);
% for i=1:length(bits)
%     char_bits=[char_bits char(bits(i))];
% end
end

